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Default Dispersion Measures for Simplified Probabilistic Assessment of RC Frames
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In the paper, a preliminary version of the methodology for determination of default dispersion measures for RC frames is developed. In order to reduce thecomputational work, a simplified two-step procedure for determination of dispersion measures is proposed. In the first step, statistical characteristics of global system parameters are determined by means of nonlinear static (pushover) analysis and consecutive idealization of pushover curves. In the second step, total dispersion of response is determined by Incremental Dynamic Analyses (IDA) for a group of equivalent SDOF systems and a group of ground motion records. The characteristics of SDOF structural models are generated based on the data from the first step. The effectiveness of the proposed approach and recently developed practice-oriented approach forprobabilistic seismic assessment of building structures is tested on the selected result of a four storey building. Good agreement between the results obtained by both simplified approaches and results obtained by more ŽaccurateŽprocedures is observed.
simplified nonlinear analysis
1.08 - Published Scientific Conference Contribution
FGG - Faculty of Civil and Geodetic Engineering
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Record is a part of a monograph
15th World Conference on Earthquake Engineering : 24 to 28 september 2012, Lisbon, Portugal
Sociedade Portuguesa do Engenharia Sísmica : International Association for Earthquake Engineering
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